#include<stdio.h>
#include"A.h"
#include"B.h"

int main()
{
	
	struct A a;
	struct B *b;
	
	a.b.b=1;
	a.a=2;

	b=&a.b.b;


	printf("%d",(*(struct A *)b).a);	
	

	return 0;
}
